我使用Facebook iOS SDK創建自定義故事,該應用程序使用Swift編寫。我基於我的代碼圍繞他們的文檔示例https://developers.facebook.com/docs/ios/open-graph#createobject。使用Swift創建Facebook Open Graph對象
一切順利,直到我必須創建FBGraphObject
NSMutableDictionary<FBOpenGraphObject> *object = [FBGraphObject openGraphObjectForPost];
在斯威夫特我已經重寫此塊爲:
var object = FBGraphObject.openGraphActionForPost()
// specify that this Open Graph object will be posted to Facebook
object.setObject(true, forKey: "provisionedForPost")
// for og:title
object.setObject(description["title"]!, forKey: "title")
// for og:type, this corresponds to the Namespace you've set for your app and the object type name
object.setObject("bppridereport:ride", forKey: "type")
// for og:description
object.setObject(description["description"]!, forKey: "description")
FBRequestConnection.startForPostOpenGraphObject(object, completionHandler: { (connection:FBRequestConnection!, result:AnyObject!, error:NSError!) -> Void in
if error == nil {
let objectId = result["id"]
} else {
NSLog("Error posting the Open Graph object to the Object API:", error);
}
})
這使我的錯誤:的NSMutableDictionary是不相同到FBOpenGraphObject,有什麼有意義的,閱讀文檔FBOpenGraphObject只是一個打扮的NSMutableDictionary,所以我把對象作爲FBOpenGraphObject來解決錯誤
var object = FBGraphObject.openGraphActionForPost() as FBOpenGraphObject
問題是,當我現在編譯並運行應用程序時,它崩潰在這一行......我很困惑。在那裏很少有涵蓋Facebook SDK的Swift實現。任何想法爲什麼會發生這種情況?我沒有使用Facebook的API
什麼是它崩潰時的錯誤信息? – 2014-11-22 02:13:17
@Mike的Taverne它看起來像這樣 - > **線程1:信號SIGABRT **上變種對象= FBGraphObject.openGraphActionForPost()作爲FBOpenGraphObject [錯誤screengrab](https://dl.dropboxusercontent.com/u /2325675/stackoverflow/Social_swift%20error.png) ** ** swift_dynamicCastObjCProtocolUnconditional [錯誤screengrab](https://dl.dropboxusercontent.com/u/2325675/stackoverflow/Social_swift.png) – 2014-11-22 09:25:36
任何想法@MikeTaverne ? – 2014-11-24 20:28:20